在我的HTML CSS和JavaScript代码中，单击时"fas fa-bars"不会打开菜单

当点击栏时，我正在关注一个youtube视频，他的效果很好，但我的效果不好。酒店网站教程

// selectors
let header = document.querySelector('.header');
let hamburgerMenu = document.querySelector('.hamburger-menu');
hamburgerMenu.addEventListener('click',function (){
header.classList.toggle('menu-open');
});

/*Import the fonts used*/
@import url('https://fonts.googleapis.com/css?family=Courgette|Open+Sans:400,800&display=swap');
/*Basic reset*/
*,
*::before,
*::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}
/*Custom properties*/
:root {
--dark-color: #2d2c2c;
--purple-solid: #350a4f;
--purple-transparent: rgba(53, 10, 79, .7);
--purple-transparent-alt: rgba(53, 10, 79, .5);
--purple-light: #8f50fb;
--yellow-solid: #fa9e2c;
--gradient-color: linear-gradient(to right, var(--yellow-solid), var(--purple-light));
--gradient-color-alt: linear-gradient(to right, var(--purple-light), var(--yellow-solid));
}
/*global style*/
html{
font-size: 10px;
}
body{
font-family: 'Open Sans', sans-serif;
font-size:1.6rem;
color: var(--dark-color);
}
a{
text-decoration: none;
color:inherit;
}
ul{
list-style: none;
}
section{
padding: 5rem 0;
}
/*reusable styles*/
.container{
width:100%;
max-width:120rem;
padding: 0 1.5rem;
margin: 0 auto;
}
/*header styles*/
.header{
width: 100%;
height: 6rem;
display: flex;
align-items: center;
position: fixed;
top: 0;
left:0;
background-color: var(--purple-transparent);
z-index:999;
}
/*header styles - nav*/
.nav{
display: flex;
align-items: center;
justify-content: space-between;
}
.logo img{
max-width: 80%;
}
.hamburger-menu{
font-size: 2.6rem;
color: #fff;
cursor: pointer;
position: relative;
z-index: 1500;
}
.hamburger-menu .fa-times{
display: none;
}
.menu-open .hamburger-menu .fa-times{
display: block;
}
.menu-open .hamburger-menu .fa-bars{
display: none;
}

.nav-list{
position: fixed;
top: 0;
left:0;
width: 100%;
height: 100vh;
background-color: var(--purple-solid);
display:flex;
flex-direction: column;
align-items:center;
z-index:1400;
opacity: 0;
transform: scale(0);
transition: opacity .5s;
}
.menu-open .nav-list{
opacity: 1;
transform: scale(1);
}
.nav-item:not(:last-child){
margin-bottom: .5rem;
}
.nav-link{
display: block;
color: #fff;
font-size: 3rem;
font-weight: bold;
text-transform: uppercase;
letter-spacing: 2px;
padding: 1rem;
}

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Travelix</title>
<!--Font awesome CDN-->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<header class="header"></header>
<div class="container"></div>
<nav class="nav">
<a href="index.html" class="logo">
<img src="./images/logo.png" alt="">
</a>
<div class="hamburger-menu">
<i class="fas fa-bars"></i>
<i class="fas fa-times"></i>
</div>
<ul class="nav-list">
<li class="nav-item">
<a href="index.html" class="nav-link">Home</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">About</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Offers</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">News</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Contact</a>
</li>
</ul>
</nav>
<script src="main.js"></script>
</body>
</html>

我相信

.menu-open .nav-list{
opacity: 1;
transform: scale(1);
}

部分是指在运行javascript以使菜单可见时触发

您没有将所有菜单代码移动到页眉中。

您的标头刚刚打开然后关闭：<header class="header"></header>

<header class="header">
// move code here
</header>

它应该去：

.menu-open .hamburger-menu .fa-bars {
display: none;
}

你把menu-open放在外面，所以.menu-open .hamburger-menu .fa-bars永远不会发生。

// selectors
let header = document.querySelector('.header');
let hamburgerMenu = document.querySelector('.hamburger-menu');
hamburgerMenu.addEventListener('click', function() {
console.log(true)
header.classList.toggle('menu-open');
})

/*Import the fonts used*/
@import url('https://fonts.googleapis.com/css?family=Courgette|Open+Sans:400,800&display=swap');
/*Basic reset*/
*,
*::before,
*::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}

/*Custom properties*/
:root {
--dark-color: #2d2c2c;
--purple-solid: #350a4f;
--purple-transparent: rgba(53, 10, 79, .7);
--purple-transparent-alt: rgba(53, 10, 79, .5);
--purple-light: #8f50fb;
--yellow-solid: #fa9e2c;
--gradient-color: linear-gradient(to right, var(--yellow-solid), var(--purple-light));
--gradient-color-alt: linear-gradient(to right, var(--purple-light), var(--yellow-solid));
}

/*global style*/
html {
font-size: 10px;
}
body {
font-family: 'Open Sans', sans-serif;
font-size: 1.6rem;
color: var(--dark-color);
}
a {
text-decoration: none;
color: inherit;
}
ul {
list-style: none;
}
section {
padding: 5rem 0;
}

/*reusable styles*/
.container {
width: 100%;
max-width: 120rem;
padding: 0 1.5rem;
margin: 0 auto;
}

/*header styles*/
.header {
width: 100%;
height: 6rem;
display: flex;
align-items: center;
position: fixed;
top: 0;
left: 0;
background-color: var(--purple-transparent);
z-index: 999;
}

/*header styles - nav*/
.nav {
display: flex;
align-items: center;
justify-content: space-between;
}
.logo img {
max-width: 80%;
}
.hamburger-menu {
font-size: 2.6rem;
color: #fff;
cursor: pointer;
position: relative;
z-index: 1500;
}
.hamburger-menu .fa-times {
display: none;
}
.menu-open .hamburger-menu .fa-times {
display: block;
}
.menu-open .hamburger-menu .fa-bars {
display: none;
}
.nav-list {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100vh;
background-color: var(--purple-solid);
display: flex;
flex-direction: column;
align-items: center;
z-index: 1400;
opacity: 0;
transform: scale(0);
transition: opacity .5s;
}
.menu-open .nav-list {
opacity: 1;
transform: scale(1);
}
.nav-item:not(:last-child) {
margin-bottom: .5rem;
}
.nav-link {
display: block;
color: #fff;
font-size: 3rem;
font-weight: bold;
text-transform: uppercase;
letter-spacing: 2px;
padding: 1rem;
}
more writing because stuff this I swear this is an easy fix but I'm just dumb

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Travelix</title>
<!--Font awesome CDN-->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<header class="header">
<div class="container"></div>
<nav class="nav">
<a href="index.html" class="logo">
<img src="./images/logo.png" alt="">
</a>
<div class="hamburger-menu">
<i class="fas fa-bars"></i>
<i class="fas fa-times"></i>
</div>
<ul class="nav-list">
<li class="nav-item">
<a href="index.html" class="nav-link">Home</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">About</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Offers</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">News</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Contact</a>
</li>
</ul>
</nav>
</header>
<script src="main.js"></script>
</body>
</html>

由于打字错误，投票决定关闭。

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